breakdown
break-down
noun
A period of severe mental or physical ill-health, often due to stress.
"She suffered a nervous breakdown."
noun
A detailed analysis or classification of something into its constituent parts.
"We need a breakdown of the project costs."
noun
A mechanical failure causing a machine or vehicle to stop working.
"My car had a breakdown on the motorway."
Thesaurus
Synonyms: partitioning, chemical decomposition reaction, decomposition reaction, decomposition, crack-up, dislocation, putrefaction, rotting, rot, equipment failure